Yukon Case Study

 

YT Case Study - Areal and linear disturbances in the Indian River watershed

Summary statistics:

• Indian river watershed study area = 2,257.4 km2
• Length of linear disturbances 2010 = 1,230.1 km
• Length of linear disturbances 2017 = 1,043.8 km
• Extent of areal disturbances 2010 = 64.3 km2
• Extent of areal disturbances 2017 = 72.2 km2

Table 1. Area and length of disturbances omitted by each intactness map in the Yukon study area.

Dataset	Intact area (km2)	Intact area (%)	Mining (km2)	Mining missed (km2)	Mining 2010 missed (%)	Roads (km2)	Roads missed (km)	Roads missed (%)
HA2010	1723.7	76.4	64.3	14.0	21.8	1230.1	467.1	38.0
CIFL2013	1095.0	48.5	64.3	7.7	12.0	1230.1	261.7	21.3
GIFL2016	276.8	12.3	72.2	0.0	0.0	1043.8	19.9	1.9
HFP2009	1713.0	75.9	64.3	58.2	90.5	1230.1	1051.1	85.4
VLIA2015	2180.6	96.6	72.2	71.3	98.8	1043.8	1022.5	98.0
GHM2015	110.0	4.9	72.2	0.1	0.1	1043.8	68.2	6.5
AB2000	1861.2	82.4	64.3	35.3	54.9	1230.1	921.7	74.9